A383073 - cp's OEIS frontend

A383073 a(n) = [x^n] Product_{k=1..n} (1 + x^k)^binomial(n,k).

n	a(n)
0	1
1	1
2	2
3	11
4	69
5	552
6	5133
7	53804
8	626440
9	7979043
10	110074741
11	1631532542
12	25813521836
13	433619035254
14	7698641650937
15	143908414079881
16	2822753485000135
17	57930283521990154
18	1240695879627856673
19	27666701629865989070
20	641049490249340264699

[1, 1, 2, 11, 69, 552, 5133, 53804, 626440, 7979043, 110074741, 1631532542, 25813521836, 433619035254, 7698641650937, 143908414079881, 2822753485000135, 57930283521990154, 1240695879627856673, 27666701629865989070, 641049490249340264699]

cp's OEIS Frontend

A383073 a(n) = [x^n] Product_{k=1..n} (1 + x^k)^binomial(n,k).

Table of values

List of values